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CVE-2018-18654

UnknownEPSS 0.31%

Last modified

CVE-2018-18654 is a vulnerability of currently unknown severity. Crossroads 2.81 does not properly handle the /tmp directory during a build of xr. A local attacker can first create a world-writable subdirectory in a certain location under the /tmp directory, wait until a user process copies xr there, and then replace the entire contents of this subdirectory to include a Trojan horse xr.. EPSS estimates a 0.31% chance of exploitation in the next 30 days.

Description

Crossroads 2.81 does not properly handle the /tmp directory during a build of xr. A local attacker can first create a world-writable subdirectory in a certain location under the /tmp directory, wait until a user process copies xr there, and then replace the entire contents of this subdirectory to include a Trojan horse xr.

Metrics

EPSS Probability
0.31%

22.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
DebianCrossroads2.81

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-18654?
Crossroads 2.81 does not properly handle the /tmp directory during a build of xr. A local attacker can first create a world-writable subdirectory in a certain location under the /tmp directory, wait until a user process copies xr there, and then replace the entire contents of this subdirectory to include a Trojan horse xr.
How severe is CVE-2018-18654?
Severity scoring for CVE-2018-18654 is pending analysis. The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.
How do I fix CVE-2018-18654?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-18654?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST